LM2623AMM

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> Semiconductors - ICs

> Power Management

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Series Information for LM2623AMM - Texas Instruments

Features

  • feature
    0.17-u03a9 Internal MOSFET
  • feature
    0.8-V to 14-V Operating Voltage
  • feature
    1.1-V Start-up Voltage
  • feature
    1.24-V to 14-V Adjustable Output Voltage
  • feature
    4-mm x 4-mm Thermally Enhanced WSON
  • feature
    80-u00b5A Typical Operating Current (Into VDD Pin of Supply)
  • feature
    < 2.5-u00b5A Ensured Supply Current In Shutdown
  • feature
    Good Efficiency Over a Very Wide Load Range
  • feature
    Small 8-Pin VSSOP Package (Half the Footprint of Standard 8-Pin SOIC Package); 1.09-mm Package Height
  • feature
    Up to 2-A Load Current at Low Output Voltages
  • feature
    Up to 2-MHz Switching Frequency
  • feature
    Up to 90% Regulator Efficiency
  • feature
    Very Low Output Voltage Ripple

Description

IC DC/DC CONVERTER ADJ POWERWISE
The LM2623 is a high-efficiency, general-purpose, step-up DC-DC switching regulator for batterypowered and low input voltage systems. It accepts an input voltage between 0.8 V and 14 V and converts it into a regulated output voltage between 1.24 V and 14 V. Efficiencies up to 90% are achievable with the LM2623. In order to adapt to a number of applications, the LM2623 allows the designer to vary the output voltage, the operating frequency (300 kHz to 2 MHz) and duty cycle (17% to 90%) to optimize the part's performance. The selected values can be fixed or can vary with battery voltage or input to output voltage ratio. The LM2623 uses a very simple, on/off regulation mode to produce good efficiency and stable operation over a wide operating range. It normally regulates by skipping switching cycles when it reaches the regulation limit (Pulse Frequency Modulation). Note: Please read the Non-Linear Effect and Choosing the Correct C3 Capacitor sections so that any challenges with designing with this part can be taken into account before a board design/layout is finalized. For alternative solutions, See Also: LM2700, LM2622, LM2731, LM2733, and LM2621.

Specifications

Topology:
Boost (Step Up)
Input Voltage Min:
800mV
Input Voltage Max:
14V
No. of Outputs:
1Outputs
DC / DC Converter IC Case:
VSSOP
No. of Pins:
8Pins
Output Current:
2A
Output Voltage Min:
1.24V
Output Voltage Max:
14V
Switching Frequency:
2MHz
Operating Temperature Max:
85°C
Product Range:
-
Automotive Qualification Standard:
-
MSL:
-
SVHC:
No SVHC (27-Jun-2018)
Adjustable Output Voltage Min:
1.24V
Base Number:
2623
Frequency:
2MHz
IC Generic Number:
2623
Operating Temperature Min:
-40°C
Operating Temperature Range:
-40°C to +85°C
Output Current Max:
2000mA
Output Voltage:
14V
Primary Input Voltage:
14V
Supply Voltage Min:
0.8V
Switch Output Current Isw Max:
2.85A
Termination Type:
Surface Mount Device
Voltage Regulator Type:
Switching Step Up (Boost) Flyback

Alternate Descriptions

Avnet Europe

Conv DC-DC Single Step Up 0.8V to 14V 8-Pin MSOP T/R

Avnet Europe product